An example of sustainable resource use is the use of predators and parasites to,
<span>control insects</span>
Answer:

Explanation:
Predators are those animals which hunt prey. Prey is the animals which is "hunted".
When the prey population is less (a decrease in prey population), There will not be more animals for "predators" to hunt and so, the competition of living will become more. Decrease in preys population would lead to a decrease in predator's population because many predators will die of hunger.
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Hope this helped!
<h3>~AnonymousHelper1807</h3>
Answer:
a.they work together to allow gas exchange
Explanation:
the trachea helps transport air to the lungs, the lungs fill with air, finally the alveoli convert the oxygen to the bloodstream
Answer:
tsunamis
El Niño
Explanation:
The reason why it is theses is because tsunamis are just waves and the water can go back to the oceanor dry up and its not the last 3 because the valcano's are pretty much permenet and glabal warming is bad too!
Explanation:
toxins such as pyrrolizidine alkaloids. By evaluating the risk to livestock from chemical contaminants … ) and the influence of chemical contaminants on livestock production efficiency